2017
DOI: 10.1155/2017/1670709
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A Parallel Biased Random‐Key Genetic Algorithm with Multiple Populations Applied to Irregular Strip Packing Problems

Abstract: The irregular strip packing problem (ISPP) is a class of cutting and packing problem (C&P) in which a set of items with arbitrary formats must be placed in a container with a variable length. The aim of this work is to minimize the area needed to accommodate the given demand. ISPP is present in various types of industries from manufacturers to exporters (e.g., shipbuilding, clothes, and glass). In this paper, we propose a parallel Biased Random-Key Genetic Algorithm (µ-BRKGA) with multiple populations for … Show more

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Cited by 17 publications
(7 citation statements)
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“…This method is achieved through the selfadaptive parameter ρ e , which determines the probability of an offspring inheriting the vector component from the RCL parent. The calculation of ρ e , as defined by Equation ( 14), involves the utilization of the random-key 2n + 1 from the non-RCL chromosome c. ρ e = 0.65 + c 2n+1 * (0.80 − 0.65) (14) It is essential to point out that the values for defining the calculations of the ABRKGA control parameters equations are based on the work of [39,41]. Table 1 presents each suggested value range for the parameters applied.…”
Section: New Generation Processmentioning
confidence: 99%
“…This method is achieved through the selfadaptive parameter ρ e , which determines the probability of an offspring inheriting the vector component from the RCL parent. The calculation of ρ e , as defined by Equation ( 14), involves the utilization of the random-key 2n + 1 from the non-RCL chromosome c. ρ e = 0.65 + c 2n+1 * (0.80 − 0.65) (14) It is essential to point out that the values for defining the calculations of the ABRKGA control parameters equations are based on the work of [39,41]. Table 1 presents each suggested value range for the parameters applied.…”
Section: New Generation Processmentioning
confidence: 99%
“…The alternative used in irregular packing problems is the no-fit polygon (NFP), which is also used in the field of engineering and robot motion planning and the aircraft parking stand allocation problem [10]. The no-fit polygon facilitates the research of irregular packing problems [11][12][13][14]. It is an increasingly popular option since it is more efficient than direct trigonometry, particularly when using an iterative search.…”
Section: Introductionmentioning
confidence: 99%
“…Os autores consideraram duas versões, uma com probabilidade viciada para o filho herdar informações do pai elite e a outra versão sem a probabilidade viciada, sendo que a versão com probabilidade viciada teve desempenho melhor. Por sua vez, Amaro Jr., Pinheiro e Coelho (2017) desenvolveram uma versão paralela e com múltiplas populações do algoritmo genético de chaves aleatórias viciadas. Os autores usaram o conceito de região livre de colisão para evitar a não sobreposição entre itens.…”
Section: Revisão Da Literaturaunclassified
“…Um levantamento sobre as aplicações do algoritmo genético de chaves aleatórias viciadas foi conduzido por Gonçalves e Resende (2011), enquanto um levantamento relacionado à busca em vizinhança variável pode ser encontrado em Hansen, Mladenović e Pérez (2010). Alguns problemas de otimização em que esses métodos foram recentemente aplicados para resolver são o roteamento de veículos (QIU et al, 2018;RUIZ et al, 2019), escalonamento (LI; PAN; WANG, 2014), localização de facilidades (BIAJOLI; CHAVES; LORENA, 2019), projeto de redes de telecomunicações (ANDRADE et al, 2015), entre outros (HERRÁN; COLMENAR; DUARTE, 2019;PEKEL;KARA, 2019). Em relação à sua aplicação em problemas de corte e empacotamento, com itens de formato regular, tem-se o algoritmo genético de chaves aleatórias viciadas de GONÇALVES e Resende (2013), para os problemas de empacotamento bidimensional e tridimensional; Lalla-Ruiz e Voß (2015), para o problema de atribuição de múltiplas mochilas; e Hottung e Tierney (2016), para um problema de carregamento de contêineres.…”
Section: Introductionunclassified
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